badssl.com
badssl.comUse known TLS configurations as client test cases
Use known TLS configurations as client test cases
Compare browser latency checks for game regions
Learn Go through test-driven development
Browser bandwidth tests with a self-hosting option
Identify resolver behavior, DNSSEC and subnet disclosure
Epidemiological calculations for surveys and test performance
AI survey simulation that builds virtual audiences and returns simulated feedback.
Mock HTTP dependencies, inspect traffic, and verify requests in integration tests.
Trigger personalized postcards, letters, and other physical mail from software.
Fit portfolio models and evaluate them on later market data
A PHP framework and component library for web applications, APIs, and command-line tools.
Embed Perl-compatible regular-expression matching in applications through a portable C library.
Tablet drawing with an infinite canvas and perspective line tools
Compare Ethereum scaling projects, activity and documented trust assumptions
Colombian collection tools for customer bills, subscriptions and merchant checkout
Build payable forms and itemized invoices alongside online checkout
Turn postal addresses into coordinates and structured location details.
Group consolidation and reporting across finance workflows
Format Python files consistently from the command line or as a repeatable project check.
Run visual, interaction, and accessibility checks on frontend UI states in real browsers.
A Python property-based testing library that generates inputs to challenge the properties your code should preserve.
Promote application configuration through GitOps stages so a GitOps agent can deploy each stage.
Test operating assumptions before changing the shared financial plan
Develop resource-conscious firmware for embedded boards with a real-time operating system and Zephyr SDK.